.not-found {
  width: 100%;
  height: 100%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  .err {
    text-align: center;
    h1 {
      font-size: 50px;
      font-weight: 300;
    }
    a, span {
      font-size: 16px;
    }
  }
}